package com.sky.controller.user;

import com.sky.constant.StatusConstant;
import com.sky.entity.Dish;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.ListOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController("userDishController")
@RequestMapping("/user/dish")
@Slf4j
@Api(tags = "C端-菜品浏览接口")
public class DishController {
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @ApiOperation("根据分类id查询菜品")
    @GetMapping("/list")
    public Result<List<DishVO>> list(Long categoryId){
        log.info("根据分类id查询菜品参数：{}",categoryId);
        // 从redis中查找
        String key = "sky_dish_"+categoryId;
        ListOperations listOperations = redisTemplate.opsForList();
        List list = listOperations.range(key, 0, -1);
        if (list != null && list.size() != 0){
            return Result.success(list);
        }
        // 构造参数,查询
        Dish dish = Dish.builder()
                .categoryId(categoryId)
                .status(StatusConstant.ENABLE)
                .build();
        List<DishVO> voList = dishService.listVO(dish);
        // 存入redis
        listOperations.rightPushAll(key,voList);
        return Result.success(voList);
    }
}
